package my_practice;

class A
{
	void f()
	{
		System.out.println("I am A");
	}
}

class B
{
	void b()
	{
		System.out.println("Nice to meet you");
	}
}

public class Hello 
{
	public static void main(String args[])//main class
	{
		System.out.println("你好，很高兴学习Java");
		A a=new A();
		a.f();
		B b=new B();
		b.b();
	}
}
